Finding the Fourth Proportional to 120,840,499.56, 166,754,093.94 and 68,622,637.80

Step by Step Solution

1. Step 1: Write the proportion equation
   120,840,499.56 : 166,754,093.94 = 68,622,637.80 : x
2. Step 2: Convert to fraction form
   120,840,499.56/166,754,093.94 = 68,622,637.80/x
3. Step 3: Cross multiply
   120,840,499.56x = 166,754,093.94 × 68,622,637.80
4. Step 4: Simplify right side
   120,840,499.56x = 11,443,105,790,111,794
5. Step 5: Solve for x
   x = 11,443,105,790,111,794/120,840,499.56
6. Step 6: Final answer
   x = 94,695,949.05